Dilli hails from the rugged and remote district of Nepal – Solukhumbu is one of the founder directors. His profession in the mountain tourism as a guide started in 1985 and joined the Himaland management team 26 years back. He has guided many trek groups especially from Europe on countless trek routes of Nepal and Tibet. His mountaineering training and long experience on high altitude treks have made him successful climbs on several peaks in the Himalaya and Alps. He speaks four languages.